1 /* 2 * WPA Supplicant / Configuration file structures 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef CONFIG_H 10 #define CONFIG_H 11 12 #define DEFAULT_EAPOL_VERSION 1 13 #ifdef CONFIG_NO_SCAN_PROCESSING 14 #define DEFAULT_AP_SCAN 2 15 #else /* CONFIG_NO_SCAN_PROCESSING */ 16 #define DEFAULT_AP_SCAN 1 17 #endif /* CONFIG_NO_SCAN_PROCESSING */ 18 #define DEFAULT_FAST_REAUTH 1 19 #define DEFAULT_P2P_GO_INTENT 7 20 #define DEFAULT_P2P_INTRA_BSS 1 21 #define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60) 22 #define DEFAULT_BSS_MAX_COUNT 200 23 #define DEFAULT_BSS_EXPIRATION_AGE 180 24 #define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2 25 #define DEFAULT_MAX_NUM_STA 128 26 #define DEFAULT_ACCESS_NETWORK_TYPE 15 27 28 #include "config_ssid.h" 29 #include "wps/wps.h" 30 #include "common/ieee802_11_common.h" 31 32 33 struct wpa_cred { 34 /** 35 * next - Next credential in the list 36 * 37 * This pointer can be used to iterate over all credentials. The head 38 * of this list is stored in the cred field of struct wpa_config. 39 */ 40 struct wpa_cred *next; 41 42 /** 43 * id - Unique id for the credential 44 * 45 * This identifier is used as a unique identifier for each credential 46 * block when using the control interface. Each credential is allocated 47 * an id when it is being created, either when reading the 48 * configuration file or when a new credential is added through the 49 * control interface. 50 */ 51 int id; 52 53 /** 54 * priority - Priority group 55 * 56 * By default, all networks and credentials get the same priority group 57 * (0). This field can be used to give higher priority for credentials 58 * (and similarly in struct wpa_ssid for network blocks) to change the 59 * Interworking automatic networking selection behavior. The matching 60 * network (based on either an enabled network block or a credential) 61 * with the highest priority value will be selected. 62 */ 63 int priority; 64 65 /** 66 * pcsc - Use PC/SC and SIM/USIM card 67 */ 68 int pcsc; 69 70 /** 71 * realm - Home Realm for Interworking 72 */ 73 char *realm; 74 75 /** 76 * username - Username for Interworking network selection 77 */ 78 char *username; 79 80 /** 81 * password - Password for Interworking network selection 82 */ 83 char *password; 84 85 /** 86 * ext_password - Whether password is a name for external storage 87 */ 88 int ext_password; 89 90 /** 91 * ca_cert - CA certificate for Interworking network selection 92 */ 93 char *ca_cert; 94 95 /** 96 * client_cert - File path to client certificate file (PEM/DER) 97 * 98 * This field is used with Interworking networking selection for a case 99 * where client certificate/private key is used for authentication 100 * (EAP-TLS). Full path to the file should be used since working 101 * directory may change when wpa_supplicant is run in the background. 102 * 103 * Alternatively, a named configuration blob can be used by setting 104 * this to blob://blob_name. 105 */ 106 char *client_cert; 107 108 /** 109 * private_key - File path to client private key file (PEM/DER/PFX) 110 * 111 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be 112 * commented out. Both the private key and certificate will be read 113 * from the PKCS#12 file in this case. Full path to the file should be 114 * used since working directory may change when wpa_supplicant is run 115 * in the background. 116 * 117 * Windows certificate store can be used by leaving client_cert out and 118 * configuring private_key in one of the following formats: 119 * 120 * cert://substring_to_match 121 * 122 * hash://certificate_thumbprint_in_hex 123 * 124 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4" 125 * 126 * Note that when running wpa_supplicant as an application, the user 127 * certificate store (My user account) is used, whereas computer store 128 * (Computer account) is used when running wpasvc as a service. 129 * 130 * Alternatively, a named configuration blob can be used by setting 131 * this to blob://blob_name. 132 */ 133 char *private_key; 134 135 /** 136 * private_key_passwd - Password for private key file 137 */ 138 char *private_key_passwd; 139 140 /** 141 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format 142 */ 143 char *imsi; 144 145 /** 146 * milenage - Milenage parameters for SIM/USIM simulator in 147 * <Ki>:<OPc>:<SQN> format 148 */ 149 char *milenage; 150 151 /** 152 * domain - Home service provider FQDN 153 * 154 * This is used to compare against the Domain Name List to figure out 155 * whether the AP is operated by the Home SP. 156 */ 157 char *domain; 158 159 /** 160 * roaming_consortium - Roaming Consortium OI 161 * 162 * If roaming_consortium_len is non-zero, this field contains the 163 * Roaming Consortium OI that can be used to determine which access 164 * points support authentication with this credential. This is an 165 * alternative to the use of the realm parameter. When using Roaming 166 * Consortium to match the network, the EAP parameters need to be 167 * pre-configured with the credential since the NAI Realm information 168 * may not be available or fetched. 169 */ 170 u8 roaming_consortium[15]; 171 172 /** 173 * roaming_consortium_len - Length of roaming_consortium 174 */ 175 size_t roaming_consortium_len; 176 177 /** 178 * eap_method - EAP method to use 179 * 180 * Pre-configured EAP method to use with this credential or %NULL to 181 * indicate no EAP method is selected, i.e., the method will be 182 * selected automatically based on ANQP information. 183 */ 184 struct eap_method_type *eap_method; 185 186 /** 187 * phase1 - Phase 1 (outer authentication) parameters 188 * 189 * Pre-configured EAP parameters or %NULL. 190 */ 191 char *phase1; 192 193 /** 194 * phase2 - Phase 2 (inner authentication) parameters 195 * 196 * Pre-configured EAP parameters or %NULL. 197 */ 198 char *phase2; 199 }; 200 201 202 #define CFG_CHANGED_DEVICE_NAME BIT(0) 203 #define CFG_CHANGED_CONFIG_METHODS BIT(1) 204 #define CFG_CHANGED_DEVICE_TYPE BIT(2) 205 #define CFG_CHANGED_OS_VERSION BIT(3) 206 #define CFG_CHANGED_UUID BIT(4) 207 #define CFG_CHANGED_COUNTRY BIT(5) 208 #define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6) 209 #define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7) 210 #define CFG_CHANGED_WPS_STRING BIT(8) 211 #define CFG_CHANGED_P2P_INTRA_BSS BIT(9) 212 #define CFG_CHANGED_VENDOR_EXTENSION BIT(10) 213 #define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11) 214 #define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12) 215 #define CFG_CHANGED_P2P_PREF_CHAN BIT(13) 216 #define CFG_CHANGED_EXT_PW_BACKEND BIT(14) 217 218 /** 219 * struct wpa_config - wpa_supplicant configuration data 220 * 221 * This data structure is presents the per-interface (radio) configuration 222 * data. In many cases, there is only one struct wpa_config instance, but if 223 * more than one network interface is being controlled, one instance is used 224 * for each. 225 */ 226 struct wpa_config { 227 /** 228 * ssid - Head of the global network list 229 * 230 * This is the head for the list of all the configured networks. 231 */ 232 struct wpa_ssid *ssid; 233 234 /** 235 * pssid - Per-priority network lists (in priority order) 236 */ 237 struct wpa_ssid **pssid; 238 239 /** 240 * num_prio - Number of different priorities used in the pssid lists 241 * 242 * This indicates how many per-priority network lists are included in 243 * pssid. 244 */ 245 int num_prio; 246 247 /** 248 * cred - Head of the credential list 249 * 250 * This is the head for the list of all the configured credentials. 251 */ 252 struct wpa_cred *cred; 253 254 /** 255 * eapol_version - IEEE 802.1X/EAPOL version number 256 * 257 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which 258 * defines EAPOL version 2. However, there are many APs that do not 259 * handle the new version number correctly (they seem to drop the 260 * frames completely). In order to make wpa_supplicant interoperate 261 * with these APs, the version number is set to 1 by default. This 262 * configuration value can be used to set it to the new version (2). 263 */ 264 int eapol_version; 265 266 /** 267 * ap_scan - AP scanning/selection 268 * 269 * By default, wpa_supplicant requests driver to perform AP 270 * scanning and then uses the scan results to select a 271 * suitable AP. Another alternative is to allow the driver to 272 * take care of AP scanning and selection and use 273 * wpa_supplicant just to process EAPOL frames based on IEEE 274 * 802.11 association information from the driver. 275 * 276 * 1: wpa_supplicant initiates scanning and AP selection (default). 277 * 278 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11 279 * association parameters (e.g., WPA IE generation); this mode can 280 * also be used with non-WPA drivers when using IEEE 802.1X mode; 281 * do not try to associate with APs (i.e., external program needs 282 * to control association). This mode must also be used when using 283 * wired Ethernet drivers. 284 * 285 * 2: like 0, but associate with APs using security policy and SSID 286 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS 287 * drivers to enable operation with hidden SSIDs and optimized roaming; 288 * in this mode, the network blocks in the configuration are tried 289 * one by one until the driver reports successful association; each 290 * network block should have explicit security policy (i.e., only one 291 * option in the lists) for key_mgmt, pairwise, group, proto variables. 292 */ 293 int ap_scan; 294 295 /** 296 * disable_scan_offload - Disable automatic offloading of scan requests 297 * 298 * By default, %wpa_supplicant tries to offload scanning if the driver 299 * indicates support for this (sched_scan). This configuration 300 * parameter can be used to disable this offloading mechanism. 301 */ 302 int disable_scan_offload; 303 304 /** 305 * ctrl_interface - Parameters for the control interface 306 * 307 * If this is specified, %wpa_supplicant will open a control interface 308 * that is available for external programs to manage %wpa_supplicant. 309 * The meaning of this string depends on which control interface 310 * mechanism is used. For all cases, the existence of this parameter 311 * in configuration is used to determine whether the control interface 312 * is enabled. 313 * 314 * For UNIX domain sockets (default on Linux and BSD): This is a 315 * directory that will be created for UNIX domain sockets for listening 316 * to requests from external programs (CLI/GUI, etc.) for status 317 * information and configuration. The socket file will be named based 318 * on the interface name, so multiple %wpa_supplicant processes can be 319 * run at the same time if more than one interface is used. 320 * /var/run/wpa_supplicant is the recommended directory for sockets and 321 * by default, wpa_cli will use it when trying to connect with 322 * %wpa_supplicant. 323 * 324 * Access control for the control interface can be configured 325 * by setting the directory to allow only members of a group 326 * to use sockets. This way, it is possible to run 327 * %wpa_supplicant as root (since it needs to change network 328 * configuration and open raw sockets) and still allow GUI/CLI 329 * components to be run as non-root users. However, since the 330 * control interface can be used to change the network 331 * configuration, this access needs to be protected in many 332 * cases. By default, %wpa_supplicant is configured to use gid 333 * 0 (root). If you want to allow non-root users to use the 334 * control interface, add a new group and change this value to 335 * match with that group. Add users that should have control 336 * interface access to this group. 337 * 338 * When configuring both the directory and group, use following format: 339 * DIR=/var/run/wpa_supplicant GROUP=wheel 340 * DIR=/var/run/wpa_supplicant GROUP=0 341 * (group can be either group name or gid) 342 * 343 * For UDP connections (default on Windows): The value will be ignored. 344 * This variable is just used to select that the control interface is 345 * to be created. The value can be set to, e.g., udp 346 * (ctrl_interface=udp). 347 * 348 * For Windows Named Pipe: This value can be used to set the security 349 * descriptor for controlling access to the control interface. Security 350 * descriptor can be set using Security Descriptor String Format (see 351 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp). 352 * The descriptor string needs to be prefixed with SDDL=. For example, 353 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject 354 * all connections). 355 */ 356 char *ctrl_interface; 357 358 /** 359 * ctrl_interface_group - Control interface group (DEPRECATED) 360 * 361 * This variable is only used for backwards compatibility. Group for 362 * UNIX domain sockets should now be specified using GROUP=group in 363 * ctrl_interface variable. 364 */ 365 char *ctrl_interface_group; 366 367 /** 368 * fast_reauth - EAP fast re-authentication (session resumption) 369 * 370 * By default, fast re-authentication is enabled for all EAP methods 371 * that support it. This variable can be used to disable fast 372 * re-authentication (by setting fast_reauth=0). Normally, there is no 373 * need to disable fast re-authentication. 374 */ 375 int fast_reauth; 376 377 /** 378 * opensc_engine_path - Path to the OpenSSL engine for opensc 379 * 380 * This is an OpenSSL specific configuration option for loading OpenSC 381 * engine (engine_opensc.so); if %NULL, this engine is not loaded. 382 */ 383 char *opensc_engine_path; 384 385 /** 386 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11 387 * 388 * This is an OpenSSL specific configuration option for loading PKCS#11 389 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded. 390 */ 391 char *pkcs11_engine_path; 392 393 /** 394 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module 395 * 396 * This is an OpenSSL specific configuration option for configuring 397 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this 398 * module is not loaded. 399 */ 400 char *pkcs11_module_path; 401 402 /** 403 * pcsc_reader - PC/SC reader name prefix 404 * 405 * If not %NULL, PC/SC reader with a name that matches this prefix is 406 * initialized for SIM/USIM access. Empty string can be used to match 407 * the first available reader. 408 */ 409 char *pcsc_reader; 410 411 /** 412 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards 413 * 414 * This field is used to configure PIN for SIM/USIM for EAP-SIM and 415 * EAP-AKA. If left out, this will be asked through control interface. 416 */ 417 char *pcsc_pin; 418 419 /** 420 * driver_param - Driver interface parameters 421 * 422 * This text string is passed to the selected driver interface with the 423 * optional struct wpa_driver_ops::set_param() handler. This can be 424 * used to configure driver specific options without having to add new 425 * driver interface functionality. 426 */ 427 char *driver_param; 428 429 /** 430 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK 431 * 432 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK 433 * cache (unit: seconds). 434 */ 435 unsigned int dot11RSNAConfigPMKLifetime; 436 437 /** 438 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold 439 * 440 * dot11 MIB variable for the percentage of the PMK lifetime 441 * that should expire before an IEEE 802.1X reauthentication occurs. 442 */ 443 unsigned int dot11RSNAConfigPMKReauthThreshold; 444 445 /** 446 * dot11RSNAConfigSATimeout - Security association timeout 447 * 448 * dot11 MIB variable for the maximum time a security association 449 * shall take to set up (unit: seconds). 450 */ 451 unsigned int dot11RSNAConfigSATimeout; 452 453 /** 454 * update_config - Is wpa_supplicant allowed to update configuration 455 * 456 * This variable control whether wpa_supplicant is allow to re-write 457 * its configuration with wpa_config_write(). If this is zero, 458 * configuration data is only changed in memory and the external data 459 * is not overriden. If this is non-zero, wpa_supplicant will update 460 * the configuration data (e.g., a file) whenever configuration is 461 * changed. This update may replace the old configuration which can 462 * remove comments from it in case of a text file configuration. 463 */ 464 int update_config; 465 466 /** 467 * blobs - Configuration blobs 468 */ 469 struct wpa_config_blob *blobs; 470 471 /** 472 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS 473 */ 474 u8 uuid[16]; 475 476 /** 477 * device_name - Device Name (WPS) 478 * User-friendly description of device; up to 32 octets encoded in 479 * UTF-8 480 */ 481 char *device_name; 482 483 /** 484 * manufacturer - Manufacturer (WPS) 485 * The manufacturer of the device (up to 64 ASCII characters) 486 */ 487 char *manufacturer; 488 489 /** 490 * model_name - Model Name (WPS) 491 * Model of the device (up to 32 ASCII characters) 492 */ 493 char *model_name; 494 495 /** 496 * model_number - Model Number (WPS) 497 * Additional device description (up to 32 ASCII characters) 498 */ 499 char *model_number; 500 501 /** 502 * serial_number - Serial Number (WPS) 503 * Serial number of the device (up to 32 characters) 504 */ 505 char *serial_number; 506 507 /** 508 * device_type - Primary Device Type (WPS) 509 */ 510 u8 device_type[WPS_DEV_TYPE_LEN]; 511 512 /** 513 * config_methods - Config Methods 514 * 515 * This is a space-separated list of supported WPS configuration 516 * methods. For example, "label virtual_display virtual_push_button 517 * keypad". 518 * Available methods: usba ethernet label display ext_nfc_token 519 * int_nfc_token nfc_interface push_button keypad 520 * virtual_display physical_display 521 * virtual_push_button physical_push_button. 522 */ 523 char *config_methods; 524 525 /** 526 * os_version - OS Version (WPS) 527 * 4-octet operating system version number 528 */ 529 u8 os_version[4]; 530 531 /** 532 * country - Country code 533 * 534 * This is the ISO/IEC alpha2 country code for which we are operating 535 * in 536 */ 537 char country[2]; 538 539 /** 540 * wps_cred_processing - Credential processing 541 * 542 * 0 = process received credentials internally 543 * 1 = do not process received credentials; just pass them over 544 * ctrl_iface to external program(s) 545 * 2 = process received credentials internally and pass them over 546 * ctrl_iface to external program(s) 547 */ 548 int wps_cred_processing; 549 550 #define MAX_SEC_DEVICE_TYPES 5 551 /** 552 * sec_device_types - Secondary Device Types (P2P) 553 */ 554 u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN]; 555 int num_sec_device_types; 556 557 int p2p_listen_reg_class; 558 int p2p_listen_channel; 559 int p2p_oper_reg_class; 560 int p2p_oper_channel; 561 int p2p_go_intent; 562 char *p2p_ssid_postfix; 563 int persistent_reconnect; 564 int p2p_intra_bss; 565 unsigned int num_p2p_pref_chan; 566 struct p2p_channel *p2p_pref_chan; 567 568 struct wpabuf *wps_vendor_ext_m1; 569 570 #define MAX_WPS_VENDOR_EXT 10 571 /** 572 * wps_vendor_ext - Vendor extension attributes in WPS 573 */ 574 struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT]; 575 576 /** 577 * p2p_group_idle - Maximum idle time in seconds for P2P group 578 * 579 * This value controls how long a P2P group is maintained after there 580 * is no other members in the group. As a GO, this means no associated 581 * stations in the group. As a P2P client, this means no GO seen in 582 * scan results. The maximum idle time is specified in seconds with 0 583 * indicating no time limit, i.e., the P2P group remains in active 584 * state indefinitely until explicitly removed. As a P2P client, the 585 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e., 586 * this parameter is mainly meant for GO use and for P2P client, it can 587 * only be used to reduce the default timeout to smaller value. A 588 * special value -1 can be used to configure immediate removal of the 589 * group for P2P client role on any disconnection after the data 590 * connection has been established. 591 */ 592 int p2p_group_idle; 593 594 /** 595 * bss_max_count - Maximum number of BSS entries to keep in memory 596 */ 597 unsigned int bss_max_count; 598 599 /** 600 * bss_expiration_age - BSS entry age after which it can be expired 601 * 602 * This value controls the time in seconds after which a BSS entry 603 * gets removed if it has not been updated or is not in use. 604 */ 605 unsigned int bss_expiration_age; 606 607 /** 608 * bss_expiration_scan_count - Expire BSS after number of scans 609 * 610 * If the BSS entry has not been seen in this many scans, it will be 611 * removed. A value of 1 means that entry is removed after the first 612 * scan in which the BSSID is not seen. Larger values can be used 613 * to avoid BSS entries disappearing if they are not visible in 614 * every scan (e.g., low signal quality or interference). 615 */ 616 unsigned int bss_expiration_scan_count; 617 618 /** 619 * filter_ssids - SSID-based scan result filtering 620 * 621 * 0 = do not filter scan results 622 * 1 = only include configured SSIDs in scan results/BSS table 623 */ 624 int filter_ssids; 625 626 /** 627 * filter_rssi - RSSI-based scan result filtering 628 * 629 * 0 = do not filter scan results 630 * -n = filter scan results below -n dBm 631 */ 632 int filter_rssi; 633 634 /** 635 * max_num_sta - Maximum number of STAs in an AP/P2P GO 636 */ 637 unsigned int max_num_sta; 638 639 /** 640 * changed_parameters - Bitmap of changed parameters since last update 641 */ 642 unsigned int changed_parameters; 643 644 /** 645 * disassoc_low_ack - Disassocicate stations with massive packet loss 646 */ 647 int disassoc_low_ack; 648 649 /** 650 * interworking - Whether Interworking (IEEE 802.11u) is enabled 651 */ 652 int interworking; 653 654 /** 655 * access_network_type - Access Network Type 656 * 657 * When Interworking is enabled, scans will be limited to APs that 658 * advertise the specified Access Network Type (0..15; with 15 659 * indicating wildcard match). 660 */ 661 int access_network_type; 662 663 /** 664 * hessid - Homogenous ESS identifier 665 * 666 * If this is set (any octet is non-zero), scans will be used to 667 * request response only from BSSes belonging to the specified 668 * Homogeneous ESS. This is used only if interworking is enabled. 669 */ 670 u8 hessid[ETH_ALEN]; 671 672 /** 673 * hs20 - Hotspot 2.0 674 */ 675 int hs20; 676 677 /** 678 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7 679 * 680 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities 681 * by acting as a Registrar and using M1 from the AP. The config 682 * methods attribute in that message is supposed to indicate only the 683 * configuration method supported by the AP in Enrollee role, i.e., to 684 * add an external Registrar. For that case, PBC shall not be used and 685 * as such, the PushButton config method is removed from M1 by default. 686 * If pbc_in_m1=1 is included in the configuration file, the PushButton 687 * config method is left in M1 (if included in config_methods 688 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from 689 * a label in the AP). 690 */ 691 int pbc_in_m1; 692 693 /** 694 * autoscan - Automatic scan parameters or %NULL if none 695 * 696 * This is an optional set of parameters for automatic scanning 697 * within an interface in following format: 698 * <autoscan module name>:<module parameters> 699 */ 700 char *autoscan; 701 702 /** 703 * wps_nfc_dev_pw_id - NFC Device Password ID for password token 704 */ 705 int wps_nfc_dev_pw_id; 706 707 /** 708 * wps_nfc_dh_pubkey - NFC DH Public Key for password token 709 */ 710 struct wpabuf *wps_nfc_dh_pubkey; 711 712 /** 713 * wps_nfc_dh_pubkey - NFC DH Private Key for password token 714 */ 715 struct wpabuf *wps_nfc_dh_privkey; 716 717 /** 718 * wps_nfc_dh_pubkey - NFC Device Password for password token 719 */ 720 struct wpabuf *wps_nfc_dev_pw; 721 722 /** 723 * ext_password_backend - External password backend or %NULL if none 724 * 725 * format: <backend name>[:<optional backend parameters>] 726 */ 727 char *ext_password_backend; 728 729 /* 730 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity 731 * 732 * This timeout value is used in P2P GO mode to clean up 733 * inactive stations. 734 * By default: 300 seconds. 735 */ 736 int p2p_go_max_inactivity; 737 738 struct hostapd_wmm_ac_params wmm_ac_params[4]; 739 740 /** 741 * auto_interworking - Whether to use network selection automatically 742 * 743 * 0 = do not automatically go through Interworking network selection 744 * (i.e., require explicit interworking_select command for this) 745 * 1 = perform Interworking network selection if one or more 746 * credentials have been configured and scan did not find a 747 * matching network block 748 */ 749 int auto_interworking; 750 }; 751 752 753 /* Prototypes for common functions from config.c */ 754 755 void wpa_config_free(struct wpa_config *ssid); 756 void wpa_config_free_ssid(struct wpa_ssid *ssid); 757 void wpa_config_foreach_network(struct wpa_config *config, 758 void (*func)(void *, struct wpa_ssid *), 759 void *arg); 760 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id); 761 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config); 762 int wpa_config_remove_network(struct wpa_config *config, int id); 763 void wpa_config_set_network_defaults(struct wpa_ssid *ssid); 764 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 765 int line); 766 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 767 const char *value); 768 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys); 769 char * wpa_config_get(struct wpa_ssid *ssid, const char *var); 770 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var); 771 void wpa_config_update_psk(struct wpa_ssid *ssid); 772 int wpa_config_add_prio_network(struct wpa_config *config, 773 struct wpa_ssid *ssid); 774 int wpa_config_update_prio_list(struct wpa_config *config); 775 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 776 const char *name); 777 void wpa_config_set_blob(struct wpa_config *config, 778 struct wpa_config_blob *blob); 779 void wpa_config_free_blob(struct wpa_config_blob *blob); 780 int wpa_config_remove_blob(struct wpa_config *config, const char *name); 781 782 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id); 783 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config); 784 int wpa_config_remove_cred(struct wpa_config *config, int id); 785 void wpa_config_free_cred(struct wpa_cred *cred); 786 int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 787 const char *value, int line); 788 789 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 790 const char *driver_param); 791 #ifndef CONFIG_NO_STDOUT_DEBUG 792 void wpa_config_debug_dump_networks(struct wpa_config *config); 793 #else /* CONFIG_NO_STDOUT_DEBUG */ 794 #define wpa_config_debug_dump_networks(c) do { } while (0) 795 #endif /* CONFIG_NO_STDOUT_DEBUG */ 796 797 798 /* Prototypes for common functions from config.c */ 799 int wpa_config_process_global(struct wpa_config *config, char *pos, int line); 800 801 802 /* Prototypes for backend specific functions from the selected config_*.c */ 803 804 /** 805 * wpa_config_read - Read and parse configuration database 806 * @name: Name of the configuration (e.g., path and file name for the 807 * configuration file) 808 * Returns: Pointer to allocated configuration data or %NULL on failure 809 * 810 * This function reads configuration data, parses its contents, and allocates 811 * data structures needed for storing configuration information. The allocated 812 * data can be freed with wpa_config_free(). 813 * 814 * Each configuration backend needs to implement this function. 815 */ 816 struct wpa_config * wpa_config_read(const char *name); 817 818 /** 819 * wpa_config_write - Write or update configuration data 820 * @name: Name of the configuration (e.g., path and file name for the 821 * configuration file) 822 * @config: Configuration data from wpa_config_read() 823 * Returns: 0 on success, -1 on failure 824 * 825 * This function write all configuration data into an external database (e.g., 826 * a text file) in a format that can be read with wpa_config_read(). This can 827 * be used to allow wpa_supplicant to update its configuration, e.g., when a 828 * new network is added or a password is changed. 829 * 830 * Each configuration backend needs to implement this function. 831 */ 832 int wpa_config_write(const char *name, struct wpa_config *config); 833 834 #endif /* CONFIG_H */ 835